diff --git a/lib/bcoin/abstractblock.js b/lib/bcoin/abstractblock.js
index 9867bc72..daccc53b 100644
--- a/lib/bcoin/abstractblock.js
+++ b/lib/bcoin/abstractblock.js
@@ -34,13 +34,6 @@ function AbstractBlock(data) {
 
   this.valid = null;
   this._hash = null;
-
-  // https://gist.github.com/sipa/bf69659f43e763540550
-  // http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/010396.html
-  this.versionBits = (this.version >>> 29) & 7;
-  this.realVersion = this.version & 0x1fffffff;
-  this.highVersion = this.version & 0x1ffffff8;
-  this.lowVersion = this.version & 7;
 }
 
 AbstractBlock.prototype.hash = function hash(enc) {